Astronomy & Universe
First Comet Flyby by ICE on September 11, 1985
The International Cometary Explorer became the first spacecraft to encounter a comet, marking a milestone in space exploration.
Latest stories
Satellites & Communication
LatConnect 60 Strengthens India Presence for SWIRSAT via NSIL Deal and GeoSyze Partnership
The firm announced two agreements at the Bengaluru Space Expo 2026 to expand its SWIRSAT satellite data offerings in the Indian market.
Astronomy & Universe
APOD Features the Southern Pinwheel Galaxy M83
On September 11, 2026 the Astronomy Picture of the Day showcased a detailed view of the barred spiral galaxy M83 in the constellation Hydra.
Science & Research
Ancient Swedish Goths Possessed Surprisingly Accurate Calendars
Burial mounds north of Stockholm reveal a pre‑Christian society with advanced time‑keeping knowledge.
Satellites & Communication
Katalyst Space LINK Satellite Remains Operational Despite Failed Orbit Boost
The Katalyst Space LINK satellite continues its operations even though it was unable to complete its mission of raising the orbit of NASA's Swift Observatory.
Science & Research
Mercury Is Shrinking Faster Than Previously Thought
Observations of surface wrinkles on Mercury indicate that the planet is contracting more strongly than earlier estimates suggested.
Science & Research
Ryugu dust reveals nitrogen's gradual incorporation into complex molecules
Analysis of asteroid Ryugu's sample shows how nitrogen can slowly become part of complex organic compounds in space.
Science & Research
ESA Invites Public to Name Hera Mission’s Dinosaur Mascot
The European Space Agency is asking the public to suggest a name for the cartoon dinosaur that represents its Hera asteroid deflection mission.
Launches & Missions
SpaceX Launches Classified USSF-153 Mission for U.S. Space Force from California’s Central Coast
On September 10, SpaceX carried out a launch for the U.S. Space Force. The USSF-153 mission remains largely classified.
SpaceX
SpaceX launches classified payload for the U.S. Space Force
A Falcon 9 carried a secret satellite payload for the U.S. Space Force into orbit from Vandenberg. Liftoff occurred at 8:42 a.m. PDT.
Launches & Missions
NASA Adds Relativity Space’s Terran R to Launch Services II Contract
NASA has incorporated Relativity Space’s Terran R launch service into its Launch Services II contract, expanding the agency’s options for future missions.
Technology & Innovation
First Live‑Fly Orbital Dogfight Exercise: Apollo Maneuvers
United States Space Command conducted its inaugural Apollo Maneuvers exercise, marking the first-ever live‑fly training where spacecraft maneuvered in orbit through a simulated contested environment.